Question 1

MIMO allows you to transmit two signals in the same channel.

Accepted Answer

A) True 
 B)False  True

Question 2

What propagation problem becomes worse as frequency increases?

Accepted Answer

A) inverse square law attenuation 
B) electromagnetic interference 
C) both A and B 
D) neither A nor B 
A) inverse square law attenuation 
B) electromagnetic interference 
C) both A and B 
D) neither A nor B D

Question 3

Which of the following uses OFDM?

Accepted Answer

A) 802.11g 
B) 802.11n 
C) both A and B 
D) neither A nor B 
A) 802.11g 
B) 802.11n 
C) both A and B 
D) neither A nor B C

Question 4

The standard for roaming among access points is ________.

Accepted Answer

A) 802.11r 
B) 802.11s 
C) 802.11W 
D) none of the above 
A) 802.11r 
B) 802.11s 
C) 802.11W 
D) none of the above

Question 5

Which of the following can operate in the 5 GHz band?

Accepted Answer

A) 802.11n 
B) 802.11ac 
C) both A and B 
D) neither A nor B 
A) 802.11n 
B) 802.11ac 
C) both A and B 
D) neither A nor B

Question 6

In 802.11g,channel bandwidth usually is ________.

Accepted Answer

A) 20 GHz 
B) 40 GHz 
C) 20 MHz 
D) 40 MHz 
A) 20 GHz 
B) 40 GHz 
C) 20 MHz 
D) 40 MHz

Question 7

Which of the following is a draft standard,according to the book?

Accepted Answer

A) 802.11g 
B) 802.11n 
C) both A and B 
D) neither A nor B 
A) 802.11g 
B) 802.11n 
C) both A and B 
D) neither A nor B

Question 8

The other wireless device is far away in a known direction.You should use ________.

Accepted Answer

A) an omnidirectional antenna 
B) a dish antenna 
C) neither A nor B 
A) an omnidirectional antenna 
B) a dish antenna 
C) neither A nor B

Question 9

Access points take ________ from wireless devices and send them on to devices on the wired LAN.They also do the converse.

Accepted Answer

A) packets 
B) frames 
C) both A and B 
D) neither A nor B 
A) packets 
B) frames 
C) both A and B 
D) neither A nor B

Question 10

Access points take frames from wireless devices and send these frames on to devices on the wired LAN.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following uses OFDM?

Accepted Answer

A) 802.11g 
B) 802.11ac 
C) both A and B 
D) neither A nor B 
A) 802.11g 
B) 802.11ac 
C) both A and B 
D) neither A nor B

Question 12

The 2.4 GHz band supports ________ nonoverlapping 20 MHz channel(s).

Accepted Answer

A) 1 
B) 3 
C) 7 
D) 11 
A) 1 
B) 3 
C) 7 
D) 11

Question 13

If more users move to an access point,this decreases ________.

Accepted Answer

A) individual throughput 
B) aggregate throughput 
C) both A and B 
D) neither A nor B 
A) individual throughput 
B) aggregate throughput 
C) both A and B 
D) neither A nor B

Question 14

The 802.11 standard for mesh networking is ________.

Accepted Answer

A) 802.11m 
B) 802.11r 
C) 802.11ac 
D) none of the above 
A) 802.11m 
B) 802.11r 
C) 802.11ac 
D) none of the above

Question 15

In an extended service set,each access point ________.

Accepted Answer

A) must have the same SSID 
B) must have different SSIDs 
C) must have coordinated SSIDs 
D) none of the above 
A) must have the same SSID 
B) must have different SSIDs 
C) must have coordinated SSIDs 
D) none of the above

Question 16

CSMA/CA+ACK usually is ________.

Accepted Answer

A) required 
B) optional 
A) required 
B) optional

Question 17

In the 5 GHz band,how many channels can you have with 802.11ac with 80 GHz channels?

Accepted Answer

A) 1 
B) 6 
C) 12 
D) 24 
A) 1 
B) 6 
C) 12 
D) 24

Question 18

Wireless radio transmission usually is expressed in terms of ________.

Accepted Answer

A) wavelength 
B) frequency 
C) both A and B 
D) neither A nor B 
A) wavelength 
B) frequency 
C) both A and B 
D) neither A nor B

Question 19

WLANs normally use ________.

Accepted Answer

A) licensed bands 
B) unlicensed bands 
A) licensed bands 
B) unlicensed bands

Question 20

As a station moves away from an access point,the access point transmits more slowly to it.

Accepted Answer

A) True 
 B)False

MIMO allows you to transmit two signals in the same channel.

What propagation problem becomes worse as frequency increases?

Which of the following uses OFDM?

The standard for roaming among access points is ________.

Which of the following can operate in the 5 GHz band?

In 802.11g,channel bandwidth usually is ________.

Which of the following is a draft standard,according to the book?

The other wireless device is far away in a known direction.You should use ________.

Access points take ________ from wireless devices and send them on to devices on the wired LAN.They also do the converse.

Access points take frames from wireless devices and send these frames on to devices on the wired LAN.

Which of the following uses OFDM?

The 2.4 GHz band supports ________ nonoverlapping 20 MHz channel(s).

If more users move to an access point,this decreases ________.

The 802.11 standard for mesh networking is ________.

In an extended service set,each access point ________.

CSMA/CA+ACK usually is ________.

In the 5 GHz band,how many channels can you have with 802.11ac with 80 GHz channels?

Wireless radio transmission usually is expressed in terms of ________.

WLANs normally use ________.

As a station moves away from an access point,the access point transmits more slowly to it.

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Exam 6: Wireless Lans I

MIMO allows you to transmit two signals in the same channel.

What propagation problem becomes worse as frequency increases?

Which of the following uses OFDM?

The standard for roaming among access points is ________.

Which of the following can operate in the 5 GHz band?

In 802.11g,channel bandwidth usually is ________.

Which of the following is a draft standard,according to the book?

The other wireless device is far away in a known direction.You should use ________.

Access points take ________ from wireless devices and send them on to devices on the wired LAN.They also do the converse.

Access points take frames from wireless devices and send these frames on to devices on the wired LAN.

Which of the following uses OFDM?

The 2.4 GHz band supports ________ nonoverlapping 20 MHz channel(s).

If more users move to an access point,this decreases ________.

The 802.11 standard for mesh networking is ________.

In an extended service set,each access point ________.

CSMA/CA+ACK usually is ________.

In the 5 GHz band,how many channels can you have with 802.11ac with 80 GHz channels?

Wireless radio transmission usually is expressed in terms of ________.

WLANs normally use ________.

As a station moves away from an access point,the access point transmits more slowly to it.

Welcome to the Cloud

Network Standards

Network Security

Network Management

Wired Ethernet Lans

Wireless Lans 2

Tcpip Internetworking I

Tcpip Internetworking 2

Wide Area Networks

Networked Applications

Module a More on Tcp

Module B More on Modulation

Module C More on Telecommunications

Module D Directory Servers

Filters